TextVolleySix channels, one message object
SMS & RCS
Mass SMS broadcasts to millions of recipients plus one-way and two-way SMS, with automatic RCS upgrade on supported handsets: branded sender, rich cards, suggested replies and read receipts, with SMS fallback.
POST /v1/messages/smsWhatsApp Business
Reach customers on WhatsApp with approved templates, session messaging, media, interactive buttons and catalog messages through the official WhatsApp Business Platform.
POST /v1/messages/whatsappVoice OTP
Deliver one-time passcodes as text-to-speech calls in 40+ languages. Ideal for landlines, accessibility needs and fallback when SMS fails.
POST /v1/verify/voiceTransactional Email
Send receipts, password resets and notifications with dedicated IPs, DKIM/SPF/DMARC alignment and EU or regional data residency.
POST /v1/messages/emailPostal Letters
Turn a PDF or template into a printed, enveloped and posted letter. Print partners in-region for fast domestic delivery and lower postage.
POST /v1/post/lettersOnline Fax
Send and receive faxes by API or email. Still required by healthcare, legal and public sector in many markets โ now without a fax machine.
POST /v1/fax